A quadratic equation is one that consists of a single variable with three terms in the standard form ax2 + bx + c = 0. The uses of...
The theory of quadratic equation formulae can be summarised as under to solve different types of problems on the quadratic equation. We know that the general form of a quadratic equation is ax2+ bx + c = 0 where a, b, c are real numbers (constants) and a ≠ 0, while b and c may...
What are the values of a, b, and c in the quadratic function f(x) = -2x^2 + 4x - 3 if f(x) = ax^2 + bx + c? Give an example of a quadratic function. What is c in the standard form of a quadratic function? What is b in a quadratic equation?
Multiply each side of the equation by the expression x – 1: x·(x – 1) = 1 Distribute the x across the expression x – 1: x·x – x·1 = 1 The variable x multiplied by itself is written as x². This squaring is what makes the equation a quadratic: x² – x = 1 Now...
结果1 题目 What is the equation of the quadratic function with a vertex at (2,-25) and an x-intercept at (7,0)? ( ) A. f(x)=(x-2)(x-7) B. f(x)=(x+2)(x+7) C. f(x)=(x-3)(x+7) D. f(x)=(x+3)(x-7) 相关知识点: 试题来源: 解析 D 反馈 收藏 ...
Quadratic formula is one of the easiest methods of solving quadratic equations. To learn how to solve the quadratic equation using the quadratic formula, along with detailed derivation, steps and solved examples, visit BYJU'S today!
What are the significance of roots in quadratic equation? Quadratic Equation: An equation of the formax2+bx+c=0,wherea≠0is called the quadratic equation. a,b,care called the coefficients of the quadratic equation. The roots of the quadratic equation are given by the formula ...
What is the equation for the axis of symmetry of a quadratic function y = 3x² + 6x + 2? A. x = -1 B. x = -2 C. x = -3 D. x = -4 相关知识点: 试题来源: 解析 A。解析:For the function y = 3x² + 6x + 2, a = 3 and b = 6. Using the formula x = -b/...
What is the equation of a quadratic function that has zeros -3 and 6? What are the zeros of the quadratic function f(x) = 6x^2 + 12x - 7? What are the zeros of the quadratic function f(x) = 2x^2 + 16x - 9? What are the zeros of the quadratic function f(...
Consider the quadratic equationx2 + y2 + Dx + Ey + F = 0:What condition on the values of D,E and F determines whether this a circle?Use this condition to show thatx2 + y2 ¡ 2x ¡ 4y + 3 = 0is a circle and sketch the circle.Does the point (0:4; 3) lie inside,out...